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2-Aminophenol

2-Aminophenol, also known as O-aminophenol, Ortho Aminophenol, OAP is an organic compound with the chemical formula C6H7NO. It is a derivative of phenol and is categorized as an aromatic amine. 2-Aminophenol is an important building block in organic synthesis and finds applications in various industries due to its unique properties.

  • Chemical Formula : C6H7NO
  • CAS No : 95-55-6
  • EC No : 202-431-1
  • Chemical Assay : Minimum 97.50%
  • Purity by HPLC : Minimum 98.50%

Properties

2-Aminophenol is produced as an Ivory White to Parchment coloured product which turns to Sand-Beige to Light Brown crystalline solid on storage over a period of time. It is soluble in water, alcohol, and ether. Its Melting Point is around 170°C, and it has a Boiling Point of approximately 282°C. The compound possesses both acidic and basic properties due to the presence of the amino and hydroxyl groups on the Benzene ring. It is reported to have 2 pKa values of 5.22 &9.87. The molecular weight of 2-aminophenol is 109.13 g/mol.

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Packaging

The product is packed in HDPE woven bags with Net Weight of 25 kg and having an 3-layered inner bag (Polyethylene + Aluminium Foil + Polyester Liner)and sealed with Nitrogen purging and an additional LDPE Liner inside the 3 Layered Inner Bag for added protection.

The product can be packed in Gusseted UN Approved bags / UN Approved HDPE Drums with Net Weight of 25 kg and having an 3-layered inner bag (Polyethylene + Aluminium Foil + Polyester Liner)and sealed with Nitrogen purging (only in bags) and an additional LDPE Liner inside the 3 Layered Inner Bag for added protection.

Stability

As against the market norm of 2 months, our product has been tested and found to have a stable of 6 months. This is backed up by a Stability Study done by our company/organisation.

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Application

2-Aminophenol has significant importance in the pharmaceutical industry. It serves as a starting material for the synthesis of various drugs and pharmaceutical intermediates.

2-Aminophenol is used as a component in hair dyes and colorants. It acts as an intermediate in the synthesis of dyes that provide a wide range of shades, particularly in the brown and black colour spectrum.

2-Aminophenol is utilized in the production of various polymers. It is used as a monomer in the synthesis of poly(2-aminophenol), a conductive polymer with applications in electronics, batteries, and sensors. The conductivity of poly(2-aminophenol) can be enhanced by doping it with suitable dopants, resulting in improved electrical properties.

The compound has been historically used in the photographic industry. It plays a crucial role in the development of black and white photographs by acting as a developing agent. However, with the advent of digital photography, the use of 2-aminophenol in this application has significantly declined.

2-Aminophenol is employed as an intermediate in the synthesis of various chemicals. It serves as a precursor for the production of dyes, pigments, antioxidants, and corrosion inhibitors. Additionally, it is used in the manufacture of agricultural chemicals, such as herbicides and insecticides.

2-Aminophenol is a versatile compound with a wide range of applications in various industries. Its unique properties and reactivity make it an essential building block for the synthesis of pharmaceuticals, hair dyes, polymers, and other chemicals. As research and technology continue to advance, the applications and uses of 2-aminophenol may expand, further highlighting its significance in various fields.

2-Aminophenol and 4-Aminophenol are structural isomers of aminophenol, which is an organic compound consisting of a phenolic ring (benzene ring with a hydroxyl group) substituted with an amino group (-NH2). While they share a similar molecular formula (C6H7NO), their structures differ in the position of the amino group on the phenolic ring. Here are the main differences between 2-aminophenol and 4-aminophenol:

Position of the amino group: In 2-aminophenol, the amino group (-NH2) is attached to the 2nd carbon atom of the phenolic ring. In 4-aminophenol, the amino group is attached to the 4th carbon atom.

Isomeric relationship: 2-Aminophenol and 4-aminophenol are positional isomers, which means they have the same molecular formula but differ in the arrangement or position of the functional groups on the molecule.

Chemical reactivity: The differences in the position of the amino group can affect the chemical reactivity of the compounds. For example, the position of the amino group can influence the acidity or basicity of the molecule, as well as its ability to form certain types of chemical bonds. The position of amino group at position 2 and position 4 impacts the activation of the Benzene Ring due to Resonance Effect and also the 2 isomer i.e. 2-Aminophenol displays intra-molecular bonding while the 4 isomer i.e. 4-Aminophenol display inter-molecular bonding affecting the colour and stability of the product.